(19)

(11)

EP 2 859 149 A1

(12)

(43) Date of publication: 15.04.2015 Bulletin 2015/16 (21) Application number: 13721125.6 (22) Date of filing: 18.04.2013

(51) International Patent Classification (IPC):  E01C 13/08(2006.01) D06N 7/00(2006.01) (86) International application number: PCT/NL2013/050280 (87) International publication number: WO 2013/183989 (12.12.2013 Gazette 2013/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 08.06.2012 NL 2008961 (71) Applicant: Ten Cate Nederland B.V. 7607 GJ Almelo (NL)	(72) Inventors: VAN BALEN, Jeroen Albert DE-50674 Köln (DE) OLDE WEGHUIS, Marinus Hendrikus NL-7574 AB Oldenzaal (NL) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)